COIN1L3
FILE INFORMATION
FILENAME(S): COIN1L3
FILE TYPE(S): PRG
FILE SIZE: 5.3K
FIRST SEEN: 2025-10-19 22:48:55
APPEARS ON: 1 disk(s)
FILE HASH
9866d28e3797fb8b01d754aca71ab844183a11ddb9fd69f963ce7b4c8c0ce5b8
FOUND ON DISKS (1 DISKS)
| DISK TITLE | FILENAME | FILE TYPE | COLLECTION | TRACK | SECTOR | ACTIONS |
|---|---|---|---|---|---|---|
| HHM 100785 44S1 | COIN1L3 | PRG | Radd Maxx | 23 | 0 | DOWNLOAD FILE |
FILE CONTENT & ANALYSIS
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00000B30: 20 50 61 6D 27 73 20 65 61 72 6E 69 6E 67 73 00 | Pam's earnings.|
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00000ED0: 65 20 61 6D 6F 75 6E 74 20 6F 66 20 6D 6F 6E 65 |e amount of mone|
00000EE0: 79 20 69 6E 20 41 6E 6E 27 73 20 61 63 63 6F 75 |y in Ann's accou|
00000EF0: 6E 74 20 69 73 20 60 26 76 2B 35 30 30 27 00 26 |nt is `&v+500'.&|
00000F00: 76 2B 35 30 30 00 2E 30 36 00 2E 30 36 2A 26 76 |v+500..06..06*&v|
00000F10: 00 41 6E 6E 27 73 00 2E 30 35 00 26 76 2B 35 30 |.Ann's..05.&v+50|
00000F20: 30 00 2E 30 35 28 26 76 2B 35 30 30 29 00 45 64 |0..05(&v+500).Ed|
00000F30: 20 61 6E 64 20 41 6E 6E 27 73 20 65 61 72 6E 69 | and Ann's earni|
00000F40: 6E 67 73 00 45 64 27 73 20 65 61 72 6E 69 6E 67 |ngs.Ed's earning|
00000F50: 73 20 3D 20 41 6E 6E 27 73 20 65 61 72 6E 69 6E |s = Ann's earnin|
00000F60: 67 73 00 2E 30 36 2A 26 76 20 3D 20 2E 30 35 2A |gs..06*&v = .05*|
00000F70: 28 26 76 2B 35 30 30 29 20 26 71 74 68 65 79 20 |(&v+500) &qthey |
00000F80: 68 61 64 20 65 61 72 6E 65 64 20 74 68 65 20 73 |had earned the s|
00000F90: 61 6D 65 20 61 6D 6F 75 6E 74 20 6F 66 20 69 6E |ame amount of in|
00000FA0: 74 65 72 65 73 74 26 71 00 2E 30 36 2A 26 76 20 |terest&q..06*&v |
00000FB0: 3D 20 2E 30 35 2A 28 26 76 2B 35 30 30 29 00 26 |= .05*(&v+500).&|
00000FC0: 76 3D 32 35 30 30 00 48 6F 77 20 6D 75 63 68 20 |v=2500.How much |
00000FD0: 6D 6F 6E 65 79 20 64 69 64 20 74 68 65 79 20 65 |money did they e|
00000FE0: 61 63 68 20 69 6E 76 65 73 74 00 45 64 27 73 00 |ach invest.Ed's.|
00000FF0: 26 76 00 26 76 20 3D 20 60 32 35 30 30 27 00 32 |&v.&v = `2500'.2|
00001000: 35 30 30 00 41 6E 6E 27 73 00 26 76 2B 35 30 30 |500.Ann's.&v+500|
00001010: 00 26 76 2B 35 30 30 20 3D 20 32 35 30 30 2B 35 |.&v+500 = 2500+5|
00001020: 30 30 20 3D 20 60 33 30 30 30 27 00 33 30 30 30 |00 = `3000'.3000|
00001030: 00 45 64 27 73 00 2E 30 36 2A 26 76 20 3D 20 2E |.Ed's..06*&v = .|
00001040: 30 36 2A 32 35 30 30 20 3D 20 60 31 35 30 27 2E |06*2500 = `150'.|
00001050: 20 45 64 27 73 20 61 63 63 6F 75 6E 74 20 65 61 | Ed's account ea|
00001060: 72 6E 65 64 20 24 31 35 30 20 69 6E 74 65 72 65 |rned $150 intere|
00001070: 73 74 00 31 35 30 00 41 6E 6E 27 73 00 2E 30 35 |st.150.Ann's..05|
00001080: 28 26 76 2B 35 30 30 29 20 3D 20 2E 30 35 28 32 |(&v+500) = .05(2|
00001090: 35 30 30 2B 35 30 30 29 20 3D 20 2E 30 35 28 33 |500+500) = .05(3|
000010A0: 30 30 30 29 20 3D 20 60 31 35 30 27 2E 20 41 6E |000) = `150'. An|
000010B0: 6E 27 73 20 61 63 63 6F 75 6E 74 20 61 6C 73 6F |n's account also|
000010C0: 20 65 61 72 6E 65 64 20 24 31 35 30 00 31 35 30 | earned $150.150|
000010D0: 00 45 64 20 61 6E 64 20 41 6E 6E 27 73 20 65 61 |.Ed and Ann's ea|
000010E0: 72 6E 69 6E 67 73 20 61 72 65 20 65 71 75 61 6C |rnings are equal|
000010F0: 00 40 66 4D 61 72 6B 20 68 61 64 20 24 36 30 20 |.@fMark had $60 |
00001100: 6D 6F 72 65 20 74 68 61 6E 20 54 6F 6D 2C 20 62 |more than Tom, b|
00001110: 75 74 20 4D 61 72 6B 20 69 6E 76 65 73 74 65 64 |ut Mark invested|
00001120: 20 68 69 73 20 6D 6F 6E 65 79 20 61 74 20 37 2E | his money at 7.|
00001130: 35 25 20 69 6E 74 65 72 65 73 74 2C 20 77 68 69 |5% interest, whi|
00001140: 6C 65 20 54 6F 6D 20 69 6E 76 65 73 74 65 64 20 |le Tom invested |
00001150: 61 74 20 38 25 2E 20 49 66 20 62 6F 74 68 20 62 |at 8%. If both b|
00001160: 6F 79 73 20 65 61 72 6E 65 64 20 74 68 65 20 73 |oys earned the s|
00001170: 61 6D 65 20 61 6D 6F 75 6E 74 20 6F 66 20 69 6E |ame amount of in|
00001180: 74 65 72 65 73 74 2C 20 68 6F 77 20 6D 75 63 68 |terest, how much|
00001190: 20 6D 6F 6E 65 79 20 64 69 64 20 65 61 63 68 20 | money did each |
000011A0: 69 6E 76 65 73 74 3F 00 54 6F 6D 27 73 20 61 63 |invest?.Tom's ac|
000011B0: 63 74 00 4D 61 72 6B 27 73 20 61 63 63 74 00 26 |ct.Mark's acct.&|
000011C0: 71 4D 61 72 6B 20 68 61 64 20 24 36 30 20 6D 6F |qMark had $60 mo|
000011D0: 72 65 20 74 68 61 6E 20 54 6F 6D 26 71 20 26 71 |re than Tom&q &q|
000011E0: 4D 61 72 6B 20 69 6E 76 65 73 74 65 64 20 68 69 |Mark invested hi|
000011F0: 73 20 6D 6F 6E 65 79 20 61 74 20 37 2E 35 25 26 |s money at 7.5%&|
00001200: 71 20 26 71 54 6F 6D 20 69 6E 76 65 73 74 65 64 |q &qTom invested|
00001210: 20 61 74 20 38 25 26 71 20 26 71 73 61 6D 65 20 | at 8%&q &qsame |
00001220: 61 6D 6F 75 6E 74 20 6F 66 20 69 6E 74 65 72 65 |amount of intere|
00001230: 73 74 26 71 00 48 6F 77 20 6D 75 63 68 20 6D 6F |st&q.How much mo|
00001240: 6E 65 79 20 64 69 64 20 65 61 63 68 20 69 6E 76 |ney did each inv|
00001250: 65 73 74 00 54 6F 6D 27 73 20 61 63 63 6F 75 6E |est.Tom's accoun|
00001260: 74 00 54 6F 6D 27 73 20 61 63 63 6F 75 6E 74 20 |t.Tom's account |
00001270: 69 73 20 60 2E 30 38 27 20 64 6F 6C 6C 61 72 73 |is `.08' dollars|
00001280: 00 2E 30 38 00 2E 30 38 00 4D 61 72 6B 27 73 20 |..08..08.Mark's |
00001290: 61 63 63 6F 75 6E 74 00 4D 61 72 6B 20 61 63 63 |account.Mark acc|
000012A0: 6F 75 6E 74 20 69 73 20 60 2E 30 37 35 27 20 64 |ount is `.075' d|
000012B0: 6F 6C 6C 61 72 73 00 2E 30 37 35 00 2E 30 37 35 |ollars..075..075|
000012C0: 00 74 00 54 6F 6D 27 73 00 74 00 54 6F 6D 27 73 |.t.Tom's.t.Tom's|
000012D0: 00 4D 61 72 6B 27 73 00 4D 61 72 6B 20 68 61 64 |.Mark's.Mark had|
000012E0: 20 24 36 30 20 6D 6F 72 65 20 74 68 61 6E 20 54 | $60 more than T|
000012F0: 6F 6D 00 54 68 65 20 61 6D 6F 75 6E 74 20 6F 66 |om.The amount of|
00001300: 20 6D 6F 6E 65 79 20 69 6E 20 4D 61 72 6B 27 73 | money in Mark's|
00001310: 20 61 63 63 6F 75 6E 74 20 69 73 20 60 26 76 2B | account is `&v+|
00001320: 36 30 27 00 26 76 2B 36 30 00 2E 30 38 00 2E 30 |60'.&v+60..08..0|
00001330: 38 2A 26 76 00 4D 61 72 6B 27 73 00 2E 30 37 35 |8*&v.Mark's..075|
00001340: 00 28 26 76 2B 36 30 29 00 2E 30 37 35 2A 28 26 |.(&v+60)..075*(&|
00001350: 76 2B 36 30 29 00 4D 61 72 6B 27 73 20 61 6E 64 |v+60).Mark's and|
00001360: 20 54 6F 6D 27 73 20 65 61 72 6E 69 6E 67 73 00 | Tom's earnings.|
00001370: 54 6F 6D 27 73 20 65 61 72 6E 69 6E 67 73 20 73 |Tom's earnings s|
00001380: 68 6F 75 6C 64 20 65 71 75 61 6C 20 4D 61 72 6B |hould equal Mark|
00001390: 27 73 20 65 61 72 6E 69 6E 67 73 2E 00 20 20 20 |'s earnings.. |
000013A0: 20 2E 30 38 2A 26 76 20 3D 20 2E 30 37 35 2A 28 | .08*&v = .075*(|
000013B0: 26 76 2B 36 30 29 20 26 71 62 6F 74 68 20 62 6F |&v+60) &qboth bo|
000013C0: 79 73 20 65 61 72 6E 65 64 20 74 68 65 20 73 61 |ys earned the sa|
000013D0: 6D 65 20 61 6D 6F 75 6E 74 20 6F 66 20 69 6E 74 |me amount of int|
000013E0: 65 72 65 73 74 26 71 00 2E 30 38 2A 26 76 20 3D |erest&q..08*&v =|
000013F0: 20 2E 30 37 35 2A 28 26 76 2B 36 30 29 00 26 76 | .075*(&v+60).&v|
00001400: 3D 39 30 30 00 48 6F 77 20 6D 75 63 68 20 6D 6F |=900.How much mo|
00001410: 6E 65 79 20 64 69 64 20 65 61 63 68 20 69 6E 76 |ney did each inv|
00001420: 65 73 74 00 54 6F 6D 27 73 00 26 76 00 26 76 20 |est.Tom's.&v.&v |
00001430: 3D 20 60 39 30 30 27 00 39 30 30 00 4D 61 72 6B |= `900'.900.Mark|
00001440: 27 73 00 26 76 2B 36 30 00 26 76 2B 36 30 20 3D |'s.&v+60.&v+60 =|
00001450: 20 60 39 36 30 27 00 39 36 30 00 54 6F 6D 27 73 | `960'.960.Tom's|
00001460: 00 2E 30 38 2A 26 76 20 3D 20 2E 30 38 2A 39 30 |..08*&v = .08*90|
00001470: 30 20 3D 20 60 37 32 27 2E 20 54 6F 6D 27 73 20 |0 = `72'. Tom's |
00001480: 61 63 63 6F 75 6E 74 20 65 61 72 6E 65 64 20 24 |account earned $|
00001490: 37 32 20 69 6E 74 65 72 65 73 74 00 37 32 00 4D |72 interest.72.M|
000014A0: 61 72 6B 27 73 00 2E 30 37 35 2A 28 26 76 2B 36 |ark's..075*(&v+6|
000014B0: 30 29 20 3D 20 2E 30 37 35 2A 28 39 36 30 29 20 |0) = .075*(960) |
000014C0: 3D 20 60 37 32 27 2E 20 4D 61 72 6B 27 73 20 61 |= `72'. Mark's a|
000014D0: 63 63 6F 75 6E 74 20 61 6C 73 6F 20 65 61 72 6E |ccount also earn|
000014E0: 65 64 20 24 37 32 20 64 6F 6C 6C 61 72 73 20 69 |ed $72 dollars i|
000014F0: 6E 74 65 72 65 73 74 00 37 32 00 54 6F 6D 20 61 |nterest.72.Tom a|
00001500: 6E 64 20 4D 61 72 6B 27 73 20 65 61 72 6E 69 6E |nd Mark's earnin|
00001510: 67 73 20 61 72 65 20 65 71 75 61 6C 00 7C 25 |gs are equal.|% |
A@Q{}@DG03&C(1,{})&C(2,{})&D(3,INT/UNIT
)&D(6,PRINCIPAL)&D(9,EARNINGS)@RREAD@PRE
AD THE PROBLEM. THINK: WHAT IS BEING ASK
ED? (PRESS ANY KEY TO CONTINUE)@HWHAT AR
E THE FACTS? {}@HWHAT IS BEING ASKED? &H
{}?&H@I(0)@RDATA ENTRY@PFILL IN THE CHAR
T -- START WITH THE UNITS OF INTEREST.@H
HOW MUCH INTEREST PER DOLLAR DOES {} ACC
OUNT EARN IN ONE YEAR?@HTHE INTEREST EAR
NED IN {}.@I(4,I,{})&D(4,{})@HHOW MUCH I
NTEREST PER DOLLAR DOES {} ACCOUNT EARN
IN ONE YEAR?@HTHE INTEREST EARNED IN {}.
@I(5,I,{})&D(5,{})@PENTER THE FACTS FROM
THE PROBLEM INTO THE GRID.@PREPRESENT T
HE AMOUNT OF MONEY (PRINCIPAL) PLACED IN
EACH OF THE ACCOUNTS.@HCHOOSE A VARIABL
E, SUCH AS `{}' TO REPRESENT THE AMOUNT
OF MONEY IN {} ACCOUNT.@HUSE ANY LETTER
SUCH AS `{}' TO REPRESENT THE PRINCIPAL
IN {} ACCOUNT.@I(7,I,&V)@PREPRESENT THE
AMOUNT OF MONEY IN {} ACCOUNT IN TERMS O
F "&V".@H&H{}&H.@H{}.@I(8,I,{}) @RPARTS@
PWRITE AN EXPRESSION TO REPRESENT THE EA
RNINGS FROM EACH ACCOUNT.@HMULTIPLY THE
INTEREST PER UNIT BY THE PRINCIPAL.@HINT
/UNIT \F12* PRINCIPAL\F24= EARNINGS \N`{
} \F12* &V' \F24= EARNINGS@I(10,I
,{})@HNOW MULTIPLY THE INTEREST PER UNIT
BY THE PRINCIPAL FROM {} ACCOUNT.@HINT/
UNIT \F12* PRINCIPAL \F24= EARNINGS \N
`{} \F12* {}' \F24= EARNINGS@I(11,I,{}
)@RWHOLE@PUSE THE TABLE TO WRITE AN EQUA
TION TO RELATE THE PARTS ({}) TO THE WHO
LE.@HUSE THE BOTTOM LINE OF THE GRID TO
FORM THE EQUATION.@H{} \N{}@I(12,I,{})@R
COMPUTE @PSOLVE THE EQUATION FOR "&V". U
SE PENCIL AND PAPER, OR USE THE CALCULAT
OR.@HISOLATE "&V" ON ONE SIDE OF THE EQU
ATION.@HTHE CALCULATOR SOLVES EQUATIONS
FOR YOU AND DISPLAYS THE STEPS IN THE SO
LUTION.@I(12,I,{})@PNOW FILL IN THE ANSW
ER(S) TO THE PROBLEM. REMEMBER THE QUEST
ION: &Q{}?&Q&W(12)@HTHE PRINCIPAL IN {}
ACCOUNT IS THE VALUE OF "{}".@H{}@I(7,I,
{})@S@HTHE PRINCIPAL IN {} ACCOUNT IS TH
E VALUE OF "{}".@H{}@I(8,I,{})@S@RCHECK@
PREREAD THE PROBLEM. CHECK YOUR ANSWERS.
REPLACE ALL VARIABLES IN THE CHART.@HSU
BSTITUTE FOR "&V" IN THE EXPRESSION FOR
THE EARNINGS FROM {} ACCOUNT. NOW CALCUL
ATE.@H{}.@I(10,I,{})@HSUBSTITUTE FOR "&V
" IN THE EXPRESSION FOR THE EARNINGS FRO
M {} ACCOUNT. NOW CALCULATE.@H{}.@I(11,I
,{})&D(0, MAKE SURE {}. ON TO A NEW PROB
LEM.)@FAL DEPOSITED SOME MONEY AT 8% INT
EREST. PAM INVESTED $600 MORE THAN AL AT
THE SAME RATE OF INTEREST. IF PAM'S MON
EY EARNED TWICE AS MUCH INTEREST AS AL'S
, HOW MUCH DID EACH OF THEM INVEST?.AL'S
ACCT..PAM'S ACCT..&QAL DEPOSITED SOME M
ONEY AT 8%&Q &QPAM INVESTED $600 MORE TH
AN AL AT THE SAME RATE&Q &QPAM'S MONEY E
ARNED TWICE AS MUCH&Q.HOW MUCH DID EACH
OF THEM INVEST.AL'S.AL'S ACCOUNT IS `.08
' DOLLARS..08..08.PAM'S.PAM'S ACCOUNT IS
&HAT THE SAME RATE&H, SO PAM'S INTEREST
RATE IS `.08' DOLLARS..08..08.A.AL'S.A.
AL'S.PAM'S.PAM INVESTED $600 MORE THAN A
L.THE AMOUNT OF MONEY IN PAM'S ACCOUNT I
S `&V+600'.&V+600..08..08*&V.PAM'S..08.&
V+600..08*(&V+600).AL AND PAM'S EARNINGS
.2 TIMES AL'S EARNINGS = PAM'S EARNINGS.
`2*(.08&V) = .08(&V+600)' &QPAM'S MONEY
EARNED TWICE AS MUCH INTEREST AS AL'S&Q.
2*(.08&V) = .08(&V+600).&V=600.HOW MUCH
DID EACH OF THEM INVEST.AL'S.&V.&V = `60
0'.600.PAM'S.&V+600.&V+600 = `1200'.1200
.AL'S..08*&V = .08*600 = 48. `48' DOLLAR
S IS THE INTEREST THAT AL'S ACCOUNT EARN
ED.48.PAM'S..08*(&V+600)=.08(600+600)=.0
8(1200) = 96. PAM'S ACCOUNT EARNED `96'
DOLLARS.96.PAM'S EARNINGS EQUAL TWICE AL
'S EARNINGS.@FED INVESTED SOME MONEY AT
6% INTEREST AND ANN INVESTED $500 MORE T
HAN ED AT 5% INTEREST. IN A YEAR THEY FO
UND THEY HAD EARNED THE SAME AMOUNT OF I
NTEREST. HOW MUCH MONEY DID THEY EACH IN
VEST?.ED'S ACCT..ANN'S ACCT..&QSOME MONE
Y AT 6% INTEREST&Q &Q$500 MORE THAN ED A
T 5% INTEREST&Q &QEARNED THE SAME AMOUNT
OF INTEREST&Q.HOW MUCH MONEY DID THEY E
ACH INVEST.ED'S.ED'S ACCOUNT IS `.06' DO
LLARS..06..06.ANN'S.ANN'S ACCOUNT IS `.0
5' DOLLARS..05..05.E.ED'S.E.ED'S.ANN'S.A
NN INVESTED $500 MORE THAN ED.THE AMOUNT
OF MONEY IN ANN'S ACCOUNT IS `&V+500'.&
V+500..06..06*&V.ANN'S..05.&V+500..05(&V
+500).ED AND ANN'S EARNINGS.ED'S EARNING
S = ANN'S EARNINGS..06*&V = .05*(&V+500)
&QTHEY HAD EARNED THE SAME AMOUNT OF IN
TEREST&Q..06*&V = .05*(&V+500).&V=2500.H
OW MUCH MONEY DID THEY EACH INVEST.ED'S.
&V.&V = `2500'.2500.ANN'S.&V+500.&V+500
= 2500+500 = `3000'.3000.ED'S..06*&V = .
06*2500 = `150'. ED'S ACCOUNT EARNED $15
0 INTEREST.150.ANN'S..05(&V+500) = .05(2
500+500) = .05(3000) = `150'. ANN'S ACCO
UNT ALSO EARNED $150.150.ED AND ANN'S EA
RNINGS ARE EQUAL.@FMARK HAD $60 MORE THA
N TOM, BUT MARK INVESTED HIS MONEY AT 7.
5% INTEREST, WHILE TOM INVESTED AT 8%. I
F BOTH BOYS EARNED THE SAME AMOUNT OF IN
TEREST, HOW MUCH MONEY DID EACH INVEST?.
TOM'S ACCT.MARK'S ACCT.&QMARK HAD $60 MO
RE THAN TOM&Q &QMARK INVESTED HIS MONEY
AT 7.5%&Q &QTOM INVESTED AT 8%&Q &QSAME
AMOUNT OF INTEREST&Q.HOW MUCH MONEY DID
EACH INVEST.TOM'S ACCOUNT.TOM'S ACCOUNT
IS `.08' DOLLARS..08..08.MARK'S ACCOUNT.
MARK ACCOUNT IS `.075' DOLLARS..075..075
.T.TOM'S.T.TOM'S.MARK'S.MARK HAD $60 MOR
E THAN TOM.THE AMOUNT OF MONEY IN MARK'S
ACCOUNT IS `&V+60'.&V+60..08..08*&V.MAR
K'S..075.(&V+60)..075*(&V+60).MARK'S AND
TOM'S EARNINGS.TOM'S EARNINGS SHOULD EQ
UAL MARK'S EARNINGS.. .08*&V = .075*(
&V+60) &QBOTH BOYS EARNED THE SAME AMOUN
T OF INTEREST&Q..08*&V = .075*(&V+60).&V
=900.HOW MUCH MONEY DID EACH INVEST.TOM'
S.&V.&V = `900'.900.MARK'S.&V+60.&V+60 =
`960'.960.TOM'S..08*&V = .08*900 = `72'
. TOM'S ACCOUNT EARNED $72 INTEREST.72.M
ARK'S..075*(&V+60) = .075*(960) = `72'.
MARK'S ACCOUNT ALSO EARNED $72 DOLLARS I
NTEREST.72.TOM AND MARK'S EARNINGS ARE E
QUAL.|%
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